code: def __init__(self, unpacked, extra):
      self.unpacked = unpacked
      self.extra = extra
  
file_path: catboost/contrib/python/pandas/py2/pandas/io/msgpack/exceptions.py
label_desc: Use image node_id 1 to create a new ExtraData object from inherited base classes: ValueError with example: obj = ExtraData(unpacked, extra)